550ml small-capacity square food storage jar made of premium food-grade AS plastic, high transparency, vacuum sealable with 7-day stable vacuum preservation. Built-in date marker lid records food storage time accurately. Dead-corner-free square design maximizes kitchen counter and refrigerator space, perfect for coffee beans, jam, grains, nuts and small ingredient storage.
Detailed description
Benefits of square food storage jar
550ml Mini Capacity: Compact small-volume design, perfect for storing coffee beans, jam, grains, nuts and small condiments, fits daily household fresh-keeping needs without space waste.
High-Clarity Food-Grade AS Material: Premium safe and odorless AS plastic with ultra-high transparency, allowing clear visibility of internal food. Wear-resistant and not easy to deform for long-term use.
7-Day Vacuum Fresh Keeping: Effective vacuum sealing system isolates air, moisture and dust. Stably maintains vacuum state for 7 days to prevent food oxidation, mildew and flavor loss.
Built-in Date Marker: Lid with adjustable date dial to record storage time clearly, help track food shelf life and avoid expiration waste.
Dead-Corner-Free & Space-Saving: Smooth square inner wall with no cleaning dead corners. Stackable square shape maximizes countertop and refrigerator space utilization.
Wide Application: Lightweight and practical, ideal for kitchen, refrigerator, dormitory and office multi-scene food storage.
550ml square food storage jar Specifications
| Capacity(ml) | 550 |
| Material | AS+PP |
| Dimensions(MM) | 120*120*80 |
| Net Weight(G) | 213 |
| Temperature Resistance(℃) | -30-100 |
| Seal Type | Negative Pressure Vacuum Seal |
| MOQ | 2000 |
Where can the square food storage jar be used?
offee Bean Fresh-keeping: Vacuum lock fragrance, prevent coffee beans from oxidizing and losing flavor, keep the original mellow taste for a long time.
Homemade Jam & Preserves Storage: Isolate air and bacteria, prevent mildew and deterioration, extend the shelf life of homemade food.
Grain & Miscellaneous Grains Sorting: Store small-batch oats, red beans, mung beans, millet, etc., moisture-proof and insect-proof, keep dry and clean.
Snack & Nut Storage: Store nuts, dried fruits, candies and other snacks, keep crisp and fresh, avoid damp and soft.
Refrigerator Classification Fresh-keeping: Stackable storage, tidy up refrigerator space, avoid food cross-flavor, convenient access.
Desktop Small Ingredient Storage: Store various kitchen condiments and small ingredients, keep the desktop tidy and improve storage efficiency.






How to Use 550ml square food storage jar
Step 1: Add Food — Fill the container, leaving room at the top.
Step 2: Seal the Lid — Close firmly and check the seal
Step 3: Remove the Air — Pump out the air to create a vacuum.
Step 4: Refrigerate — Store in the fridge for lasting freshness.




Why Choose Us
- An in-house R&D team of 25 specialists, holding 189 product design patents.
- Products keep pace with market trends and are constantly upgraded and refined.
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- Quick samples, stable lead times and flexible MOQ, with low-volume trial orders supported.








Factory Environment
- A dust-free, well-organized workshop with standardized 6S management.
- In-process inspection at every stage, with traceable records for full accountability.
- Automated production lines and precision injection molding machines ensure consistent product quality.
- Operated under standardized procedures with complete safety facilities for secure production.
- With a monthly production capacity of 200,000 units, we ensure stable and on-time delivery.








We hold multiple international certifications, including CE, FDA, BPA Free & LFGB Certified and so on.





